2142023393 has 8 divisors (see below), whose sum is σ = 2195746056. Its totient is φ = 2088371200.

The previous prime is 2142023347. The next prime is 2142023417. The reversal of 2142023393 is 3933202412.

It can be written as a sum of positive squares in 4 ways, for example, as 6012304 + 2136011089 = 2452^2 + 46217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2142023393 - 2¹⁰ = 2142022369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142023293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46853 + ... + 80493.

It is an arithmetic number, because the mean of its divisors is an integer number (274468257).

Almost surely, 2^2142023393 is an apocalyptic number.

It is an amenable number.

2142023393 is a deficient number, since it is larger than the sum of its proper divisors (53722663).

2142023393 is a wasteful number, since it uses less digits than its factorization.

2142023393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35235.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2142023393 is about 46281.9985847630. The cubic root of 2142023393 is about 1289.0647615009.

The spelling of 2142023393 in words is "two billion, one hundred forty-two million, twenty-three thousand, three hundred ninety-three".